Rainier Arms Xtreme Tactical Compensator is designed to reduce felt recoil & muzzle rise with a relatively low muzzle flash. A true multi-functional muzzle device designed to do it all while looking great at an affordable price. A must have for the custom AR build. Like all Rainier Arms OEM products, this comes with a 100% money back satisfaction guarantee. If you aren't happy for whatever reason, send it back for a full refund within 90 days of purchase.